void IRegisterValidationMethod.RegisterValidationMethod(string propertyName, ValidateMethod validateMethod)
{
if (string.IsNullOrWhiteSpace(propertyName))
{
throw new ArgumentException("PropertyName must be valid.", nameof(propertyName));
}
ValidationMethods[propertyName] = validateMethod;
ErrorsByPropertyName[propertyName] = ErrorDescriptors.Create();
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var descriptors = ErrorDescriptors.Create();
if (value is IEnumerable <object> rawObj)
{
foreach (var error in rawObj.OfType <ErrorDescriptor>())
{
descriptors.Add(error);
}
}
else
{
return(null);
}
return(GetColorFromDescriptors(descriptors));
}